* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(180deg, #0a0f0a 0%, #1a2e1a 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
}

.back-link {
    position: fixed;
    top: 15px;
    left: 15px;
    color: #00ff88;
    text-decoration: none;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    z-index: 100;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 1;
}

#game-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 200, 100, 0.3);
}

#gameCanvas {
    display: block;
    cursor: pointer;
    transform-origin: top center;
}